3,000
Participants
Start Date
July 1, 2019
Primary Completion Date
July 31, 2025
Study Completion Date
December 31, 2028
NOT_YET_RECRUITING
The People's Hospital of Yubei District of Chongqing City, Chongqing
NOT_YET_RECRUITING
Chongqing First People's Hospital of Liangjiang New Area, Chongqing
NOT_YET_RECRUITING
The Central Hospital of Jiangjin District of Chongqing City, Chongqing
RECRUITING
Wanzhou Health Center for Women and Children, Chongqing
NOT_YET_RECRUITING
The Maternal and Child Health Hospital of Hainan Province, Haikou
Chen Li
OTHER